Im catching parts of the X files moviw on HBO right now and it reminds me, what the hell was this movie about? Cavemen get killed by a virus and little boys find it. But aliens are working FEMA to wipe out humanity. huh? Explain please. PLEASE!!!
The last one is the most detailed
Sounds like you’ve got it.
Rocks fall, everybody…
Sorry. 
The IMDB summary is pretty accurate.
(My question is: what would happen in the planned second movie?)